Home / 258,202.33-387,144.93-89,650.24

Finding the Fourth Proportional to 258,202.33, 387,144.93 and 89,650.24

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Solution

The fourth proportional to 258,202.33, 387,144.93 and 89,650.24 is: 134,420.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,202.33 : 387,144.93 = 89,650.24 : x
  2. Step 2: Convert to fraction form
    258,202.33/387,144.93 = 89,650.24/x
  3. Step 3: Cross multiply
    258,202.33x = 387,144.93 × 89,650.24
  4. Step 4: Simplify right side
    258,202.33x = 34,707,635,889.28
  5. Step 5: Solve for x
    x = 34,707,635,889.28/258,202.33
  6. Step 6: Final answer
    x = 134,420.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.